The theory of socialist democracy and the rule of law with Chinese characteristics is one of the important contents of the theory of socialism with Chinese characteristics, and it is also a basic component of the theoretical system of socialist law with Chinese characteristics. To understand the theory of socialist democracy and the rule of law with Chinese characteristics, we must connect with the great practice of Reform and Opening-up in contemporary China, and we must also connect with the overall context of the development of Marxist jurisprudence theory. Systematically sorting out the ideological origin, formation and enrichment process of the theory of socialist democracy and rule of law with Chinese characteristics, focusing on explaining the basic content and major characteristics of the theory of socialist democracy and rule of law with Chinese characteristics, clarifying the social functions, social foundations, leadership, promotion process and promotion methods of the socialist theory of democracy and the rule of law with Chinese characteristics, and placing the socialist theory of democracy and the rule of law within the "Five-in-one" overall layout of socialism with Chinese characteristics, "A Research on Socialist Democracy and Rule of Law with Chinese Characteristics" reveals the relationship between democracy and the rule of law and economic construction, political construction, cultural construction, social construction, and ecological civilization. In addition, it also expounds the internal relationship between democracy and the rule of law, the cause of human rights, and the leadership of the party. The theoretical elaboration of these issues constitutes a complete system that together explains why a large Eastern country like China needs to build democracy and the rule of law, what kind of democracy and rule of law to build, how to build democracy and rule of law, and how to comprehensively promote the rule of law in the current historical process of Reform and Opening-up, social transformation and development, thus explaining the "Chinese characteristics" and "socialist characteristics of the primary stage" of the theory of democracy and rule of law, etc.